Decay of $B^{\pm }\to {\tau }^{\pm }+$ "missing momentum" and direct measurement of the mixing parameter $U_{\tau N}$

Abstract

We derive the decay widths for the leptonic decays of heavy charged pseudoscalars to massive sterile neutrinos, $M^{\pm }\to {\ell }^{\pm }+N$, within the frameworks involving the Standard Model and two-Higgs doublets (type II). We then apply the result to $B^{\pm }\to {\tau }^{\pm }+$ "missing momentum" of the Belle/BaBar experimental results, in order to measure directly the relevant parameter space, including the mixing parameter $U_{\tau N}$.

19 pages, 6 figures, published at Phys. Rev. D

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Cited by in corpus (2)

• Rare decays of B mesons via on-shell sterile neutrinos
• Discovering intermediate mass sterile neutrinos through ${\tau }^{-}\to {\pi }^{-}{\mu }^{-}{e}^{+}\nu$ (or $\bar{\nu }$) decay